Melbourne School of Psychological Sciences - Theses
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ItemAdjustment in life after traumatic brain injury: the impact of cognition, employment, and perceived sense of purpose in life( 2013)Traumatic brain injury (TBI) affects the most wide-ranging domains of survivors’ lives, markedly reducing emotional health and quality of life. The primary objective of this study was to explore the widely proclaimed therapeutic effect of employment on psychological wellbeing (PWB) and quality of life (QoL) relative to perceived sense of purpose in life (PIL). An additional aim was to examine the influence of factors involving cognitive function, injury severity, age at time of injury, gender, and preinjury education, on survivors’ work ability and return to work (RTW). A mixed methods design was used for an in-depth and comprehensive understanding about adjustment in life post-TBI. Method: Participants (N=40; 10-18 months post-TBI) were grouped according to age: 18-39 years (younger group), 40-55 years (older group) and injury severity (Glasgow Coma Scale scores): mild TBI (n=25), moderate-severe TBI (n=15). Quantitative Component: Neuropsychological testing and questionnaire surveys were performed to evaluate participants’ cognitive function, levels of perceived work gainfulness, PIL, PWB, and QoL. Data was analysed using bivariate and multivariate analyses of variance, aided by SPSS computer software. Qualitative Component: 12 participants (6 from each severity group) were randomly selected for digitally recorded semi-structured interviews, predominantly concerning the impact of work and life meaningfulness on adjustment process. Interviews were analysed using grounded theory methodology, aided by NVivo 10 computer package. Results and Discussion: PIL, in comparison to employment, cognitive function, and injury severity, made the strongest unique contribution in explaining PWB and QoL (p < 0.001). Employment potential was largely affected by memory and injury severity, with increased memory deficits (p < 0.01) and injury severity (p < 0.05) respectively associated with deteriorated employment potential. Main Conclusion: Having a strong sense of life as purposeful, notwithstanding employment, cognitive function, and injury severity, encourages survivors to focus on their lives and important life goals and to ultimately, achieve a promising life with healthy wellbeing.